母系の祖母はその旧式のドレスを着ることに固執する。

Sentence Analyzer

母系 祖母 その 旧式 ドレス 着る こと 固執する

English Translation

My maternal grandmother persists in wearing that old-fashioned dress.

Furigana

母系(ぼけい)祖母(そぼ)はその旧式(きゅうしき)のドレスを()ることに固執(こしつ)する。

Romanji

Bokei no sobo wa sono kyūshiki no doresu o kiru koto ni koshitsusuru.

Words

母系 (ぼけい)
maternal line; mother's side of the family
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
祖母 (そぼ、ばば、おおば、おば、うば)
grandmother
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
其の (その)
that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
旧式 (きゅうしき)
old type; old style
ドレス (ドレス)
dress
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
着る (きる)
to wear (in modern Japanese, from the shoulders down); to put on; to bear (guilt, etc.)
(こと、こん)
thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as
()
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
固執 (こしつ、こしゅう)
adherence (e.g. to ideas, beliefs, a pet theory) (negative nuance); persistence; insistence; stubbornness

Kanji

Readings: ボ、 はは、 も
Meaning: mother
Reading: ケイ
Meanings: lineage, system
Reading: 
Meanings: ancestor, pioneer, founder
Readings: キュウ、 ふる.い、 もと
Meanings: old times, old things, old friend, former, ex-
Reading: シキ
Meanings: style, ceremony, rite, function, method, system, form, expression
Readings: チャク、 ジャク、 き.る、 -ぎ、 き.せる、 -き.せ、 つ.く、 つ.ける
Meanings: don, arrive, wear, counter for suits of clothing
Readings: コ、 かた.める、 かた.まる、 かた.まり、 かた.い
Meanings: harden, set, clot, curdle
Readings: シツ、 シュウ、 と.る
Meanings: tenacious, take hold, grasp, take to heart